XTX Topco’s STAK Inc STAK Stock Holding History

XTX Topco’s Portfolio STAK Stock Details STAK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-31,798	Closed	-$12.7K	–	4555
2025 Q4	$12.7K	Buy	31,798 +8,287	+35%	+$4.96K	﹤0.01%	3147
2025 Q3	$19.9K	Buy	+23,511	New	+$32.3K	﹤0.01%	2331

Other funds holding STAK

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

TRCT

Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return

Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

XTX Topco's STAK Position: Q1 2026 in Review

XTX Topco sold out of STAK Inc (STAK) in Q1 2026, closing a stake of 31,798 shares — an estimated $12.7K sold.

XTX Topco first reported a position in STAK in Q3 2025 and held it in 2 quarters. The position peaked at $19.9K in Q3 2025. 5 funds tracked by Wall St. Rank hold STAK as of Q1 2026.

XTX Topco reported no remaining STAK Inc position as of Q1 2026 after selling out during the quarter.
XTX Topco sold 31,798 STAK Inc shares in Q1 2026, an estimated $12.7K.
XTX Topco first reported a position in STAK Inc in Q3 2025 and held it in 2 quarters.
XTX Topco's STAK Inc position peaked at $19.9K in Q3 2025.
5 funds tracked by Wall St. Rank held STAK Inc as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.